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Class 12 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryWhy does the vapour pressure of a solvent decrease when a non-volatile solute is added?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryWhat type of flow through a semipermeable membrane is called osmosis?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13EasyChemistryWhich of the following statements correctly describes a colligative property?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13EasyChemistryIn a solution of a non-volatile solute, the observed colligative effect is lower than the value predicted for ideal behaviour. What does this usually indicate?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13HardChemistryIn a numerical problem on colligative properties, what should be done first to obtain the correct answer?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhy is the freezing point of a solution lower than that of the pure solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the boiling point of a pure solvent is \(100^{\circ}C\) and that of its solution is \(100.26^{\circ}C\), what is the elevation in boiling point, \(\Delta T_b\)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf the freezing point of a pure solvent is 0 °C and that of its solution is −0.72 °C, what is the depression in freezing point, ΔT_f?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf a solution contains 0.2 mol of solute and 0.8 mol of solvent, what is the mole fraction of the solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich of the following is not a colligative property of a solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf i = 2.5, how will the observed colligative property compare with that of a normal non-electrolyte at the same concentration?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf the van’t Hoff factor is i = 1, which statement about solute behaviour is correct?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf the freezing point of pure solvent is \(4^{\circ}C\) and \(\Delta T_f = 2.5^{\circ}C\), what will be the freezing point of the solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf 0.3 mole of solute is dissolved in 600 grams of solvent, what will be the molality?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf the moles of solute are 0.25 and the moles of solvent are 0.75, what is the mole fraction of the solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryWhich of the following properties depends only on the number of solute particles present in a solution and not on their nature?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf the vapour pressure of the pure solvent is 80 units and the mole fraction of solvent is 0.75, what will be the vapour pressure of the solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIn a solution containing a non-volatile solute, relative lowering of vapour pressure is equal to which quantity?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryFor a solution, \(\Delta T_b\) is larger. With the same solvent and the same \(K_b\), what is the most suitable meaning?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryWhich of the following statements about colligative properties is correct?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14Easy